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<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"/><meta name="viewport" content="width=device-width, initial-scale=0.8"/><title>Racket指南</title><link rel="stylesheet" type="text/css" href="scribble.css" title="default"/><link rel="stylesheet" type="text/css" href="racket.css" title="default"/><link rel="stylesheet" type="text/css" href="manual-style.css" title="default"/><link rel="stylesheet" type="text/css" href="manual-racket.css" title="default"/><script type="text/javascript" src="scribble-common.js"></script><script type="text/javascript" src="manual-racket.js"></script><!--[if IE 6]><style type="text/css">.SIEHidden { overflow: hidden; }</style><![endif]--></head><body id="scribble-racket-lang-org"><div class="tocset"><div class="tocview"><div class="tocviewlist tocviewlisttopspace"><div class="tocviewtitle"><table cellspacing="0" cellpadding="0"><tr><td style="width: 1em;"><a href="javascript:void(0);" title="Expand/Collapse" class="tocviewtoggle" onclick="TocviewToggle(this,&quot;tocview_0&quot;);">&#9660;</a></td><td></td><td><a href="" class="tocviewselflink" data-pltdoc="x">Racket&#25351;&#21335;</a></td></tr></table></div><div class="tocviewsublistonly" style="display: block;" id="tocview_0"><table cellspacing="0" cellpadding="0"><tr><td align="right">1&nbsp;</td><td><a href="intro.html" class="tocviewlink" data-pltdoc="x">&#27426;&#36814;&#26469;&#21040;Racket!</a></td></tr><tr><td align="right">2&nbsp;</td><td><a href="to-scheme.html" class="tocviewlink" data-pltdoc="x">Racket&#27010;&#35201;</a></td></tr><tr><td align="right">3&nbsp;</td><td><a href="datatypes.html" class="tocviewlink" data-pltdoc="x">&#20869;&#32622;&#30340;&#25968;&#25454;&#31867;&#22411;</a></td></tr><tr><td align="right">4&nbsp;</td><td><a href="scheme-forms.html" class="tocviewlink" data-pltdoc="x">&#34920;&#36798;&#24335;&#21644;&#23450;&#20041;</a></td></tr><tr><td align="right">5&nbsp;</td><td><a href="define-struct.html" class="tocviewlink" data-pltdoc="x">&#31243;&#24207;&#21592;&#23450;&#20041;&#30340;&#25968;&#25454;&#31867;&#22411;</a></td></tr><tr><td align="right">6&nbsp;</td><td><a href="modules.html" class="tocviewlink" data-pltdoc="x">&#27169;&#22359;</a></td></tr><tr><td align="right">7&nbsp;</td><td><a href="contracts.html" class="tocviewlink" data-pltdoc="x">&#21512;&#32422;</a></td></tr><tr><td align="right">8&nbsp;</td><td><a href="i_o.html" class="tocviewlink" data-pltdoc="x">&#36755;&#20837;&#21644;&#36755;&#20986;</a></td></tr><tr><td align="right">9&nbsp;</td><td><a href="regexp.html" class="tocviewlink" data-pltdoc="x">&#27491;&#21017;&#34920;&#36798;&#24335;</a></td></tr><tr><td align="right">10&nbsp;</td><td><a href="control.html" class="tocviewlink" data-pltdoc="x">&#24322;&#24120;&#19982;&#25511;&#21046;</a></td></tr><tr><td align="right">11&nbsp;</td><td><a href="for.html" class="tocviewlink" data-pltdoc="x">&#36845;&#20195;&#21644;&#25512;&#23548;</a></td></tr><tr><td align="right">12&nbsp;</td><td><a href="match.html" class="tocviewlink" data-pltdoc="x">&#27169;&#24335;&#21305;&#37197;</a></td></tr><tr><td align="right">13&nbsp;</td><td><a href="classes.html" class="tocviewlink" data-pltdoc="x">&#31867;&#21644;&#23545;&#35937;</a></td></tr><tr><td align="right">14&nbsp;</td><td><a href="units.html" class="tocviewlink" data-pltdoc="x">&#21333;&#20803;</a></td></tr><tr><td align="right">15&nbsp;</td><td><a href="reflection.html" class="tocviewlink" data-pltdoc="x">&#21453;&#23556;&#21644;&#21160;&#24577;&#27714;&#20540;</a></td></tr><tr><td align="right">16&nbsp;</td><td><a href="macros.html" class="tocviewlink" data-pltdoc="x">&#23439;</a></td></tr><tr><td align="right">17&nbsp;</td><td><a href="languages.html" class="tocviewlink" data-pltdoc="x">&#21019;&#36896;&#35821;&#35328;</a></td></tr><tr><td align="right">18&nbsp;</td><td><a href="concurrency.html" class="tocviewlink" data-pltdoc="x">&#24182;&#21457;&#19982;&#21516;&#27493;</a></td></tr><tr><td align="right">19&nbsp;</td><td><a href="performance.html" class="tocviewlink" data-pltdoc="x">&#24615;&#33021;</a></td></tr><tr><td align="right">20&nbsp;</td><td><a href="parallelism.html" class="tocviewlink" data-pltdoc="x">&#24182;&#34892;</a></td></tr><tr><td align="right">21&nbsp;</td><td><a href="running.html" class="tocviewlink" data-pltdoc="x">&#36816;&#34892;&#21644;&#21019;&#24314;&#21487;&#25191;&#34892;&#31243;&#24207;</a></td></tr><tr><td align="right">22&nbsp;</td><td><a href="More_Libraries.html" class="tocviewlink" data-pltdoc="x">&#26356;&#22810;&#30340;&#24211;</a></td></tr><tr><td align="right">23&nbsp;</td><td><a href="dialects.html" class="tocviewlink" data-pltdoc="x">Racket&#21644;Scheme&#30340;&#26041;&#35328;</a></td></tr><tr><td align="right">24&nbsp;</td><td><a href="other-editors.html" class="tocviewlink" data-pltdoc="x">&#21629;&#20196;&#34892;&#24037;&#20855;&#21644;&#20320;&#30340;&#32534;&#36753;&#22120;&#36873;&#25321;</a></td></tr><tr><td align="right"></td><td><a href="doc-bibliography.html" class="tocviewlink" data-pltdoc="x">Bibliography</a></td></tr><tr><td align="right"></td><td><a href="doc-index.html" class="tocviewlink" data-pltdoc="x">Index</a></td></tr></table></div></div></div><div class="tocsub"><div class="tocsubtitle">On this page:</div><table class="tocsublist" cellspacing="0"><tr><td><span class="tocsublinknumber"></span><a href="#%28part._.Racket~e6~8c~87~e5~8d~97%29" class="tocsubseclink" data-pltdoc="x">Racket&#25351;&#21335;</a></td></tr></table></div></div><div class="maincolumn"><div class="main"><div class="versionbox"><span class="version">6.12</span></div><div class="navsettop"><span class="navleft"><div class="nosearchform"></div>&nbsp;&nbsp;</span><span class="navright">&nbsp;&nbsp;<span class="nonavigation">&larr; prev</span>&nbsp;&nbsp;<span class="nonavigation">up</span>&nbsp;&nbsp;<a href="intro.html" title="forward to &quot;1 欢迎来到Racket!&quot;" data-pltdoc="x">next &rarr;</a></span>&nbsp;</div><h2><a name="(part._.Racket~e6~8c~87~e5~8d~97)"></a>Racket&#25351;&#21335;</h2><div class="SAuthorListBox"><span class="SAuthorList"><p class="author">Matthew Flatt,<br/>Robert Bruce Findler,<br/>and PLT</p><span class="SAuthorSep"><br/></span><p class="author">&#24352;&#24658;&#28304; &#35793;</p></span></div><p><div class="SIntrapara"></div><div class="SIntrapara"></div></p><p>&#26412;&#25351;&#21335;&#36866;&#29992;&#20110;&#26032;&#25509;&#35302;Racket&#30340;&#31243;&#24207;&#21592;&#25110;&#37096;&#20998;&#20102;&#35299;Racket&#30340;&#31243;&#24207;&#21592;&#12290;&#26412;&#25351;&#21335;&#20551;&#23450;&#20320;&#26159;&#26377;&#32534;&#31243;&#32463;&#39564;&#30340;&#12290;&#22914;&#26524;&#20320;&#26159;&#26032;&#23398;&#20064;&#32534;&#31243;&#65292;&#21487;&#20197;&#32771;&#34385;&#38405;&#35835;&#12298;&#22914;&#20309;&#35774;&#35745;&#31243;&#24207;&#12299;&#65288;<span style="font-style: italic"><a href="http://www.htdp.org">How to Design Programs</a></span>&#65289;&#12290;&#22914;&#26524;&#20320;&#24819;&#35201;&#19968;&#20010;&#23545;Racket&#29305;&#21035;&#24555;&#36895;&#30340;&#20171;&#32461;&#65292;&#23601;&#20174;&#12298;&#24555;&#36895;&#65306;Racket&#30340;&#22270;&#29255;&#32534;&#31243;&#20171;&#32461;&#12299;&#65288;<a href="https://docs.racket-lang.org/quick/index.html">Quick: An Introduction to Racket with Pictures</a>&#65289;&#24320;&#22987;&#12290;</p><p><a href="to-scheme.html" data-pltdoc="x">&#31532;2&#31456;</a>&#25552;&#20379;&#20102;&#19968;&#20010;&#23545;Racket&#30340;&#31616;&#35201;&#20171;&#32461;&#12290;&#20174;<a href="datatypes.html" data-pltdoc="x">&#31532;3&#31456;</a>&#24320;&#22987;&#65292;&#26412;&#25351;&#21335;&#28145;&#20837;&#32454;&#33410;&#8212;&#8212;&#35206;&#30422;&#20102;&#22823;&#37096;&#20998;&#30340;Racket&#24037;&#20855;&#31665;&#65292;&#20294;&#25226;&#26356;&#28165;&#26224;&#30340;&#32454;&#33410;&#20869;&#23481;&#30041;&#32473;&#12298;Racket&#21442;&#32771;&#12299;&#65288;<a href="https://docs.racket-lang.org/reference/index.html">The Racket Reference</a>&#65289;&#21450;&#20854;&#23427;&#21442;&#32771;&#25163;&#20876;&#20171;&#32461;&#12290;</p><blockquote class="refpara"><blockquote class="refcolumn"><blockquote class="refcontent"><p>&#26412;&#25163;&#20876;&#28304;&#31243;&#24207;&#21487;&#26597;&#38405;<a href="https://github.com/racket/racket/tree/master/pkgs/racket-doc/scribblings/guide">GitHub</a>.</p></blockquote></blockquote></blockquote><table cellspacing="0" cellpadding="0"><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="intro.html" class="toptoclink" data-pltdoc="x">1<span class="hspace">&nbsp;</span>&#27426;&#36814;&#26469;&#21040;Racket!</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="intro.html#%28part._.Interacting_with_.Racket%29" class="toclink" data-pltdoc="x">1.1<span class="hspace">&nbsp;</span>&#29992;Racket&#36827;&#34892;&#20132;&#20114;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="intro.html#%28part._.Definitions_and_.Interactions%29" class="toclink" data-pltdoc="x">1.2<span class="hspace">&nbsp;</span>&#23450;&#20041;&#21644;&#20132;&#20114;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="intro.html#%28part._.Creating_.Executables%29" class="toclink" data-pltdoc="x">1.3<span class="hspace">&nbsp;</span>&#21019;&#24314;&#21487;&#25191;&#34892;&#31243;&#24207;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="intro.html#%28part._use-module%29" class="toclink" data-pltdoc="x">1.4<span class="hspace">&nbsp;</span>&#32473;&#26377;LISP/Scheme&#32463;&#39564;&#30340;&#35835;&#32773;&#30340;&#19968;&#20010;&#35828;&#26126;</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="to-scheme.html" class="toptoclink" data-pltdoc="x">2<span class="hspace">&nbsp;</span>Racket&#27010;&#35201;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Simple_Values.html" class="toclink" data-pltdoc="x">2.1<span class="hspace">&nbsp;</span>&#31616;&#21333;&#30340;&#20540;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="syntax-overview.html" class="toclink" data-pltdoc="x">2.2<span class="hspace">&nbsp;</span>&#31616;&#21333;&#30340;&#23450;&#20041;&#21644;&#34920;&#36798;&#24335;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="syntax-overview.html#%28part._.Definitions%29" class="toclink" data-pltdoc="x">2.2.1<span class="hspace">&nbsp;</span>&#23450;&#20041;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="syntax-overview.html#%28part._indentation%29" class="toclink" data-pltdoc="x">2.2.2<span class="hspace">&nbsp;</span>&#32553;&#36827;&#20195;&#30721;&#30340;&#25552;&#31034;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="syntax-overview.html#%28part._.Identifiers%29" class="toclink" data-pltdoc="x">2.2.3<span class="hspace">&nbsp;</span>&#26631;&#35782;&#31526;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="syntax-overview.html#%28part._.Function_.Calls%29" class="toclink" data-pltdoc="x">2.2.4<span class="hspace">&nbsp;</span>&#20989;&#25968;&#35843;&#29992;(&#36807;&#31243;&#24212;&#29992;&#31243;&#24207;)</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="syntax-overview.html#%28part._.Conditionals_with_if_and_or_cond%29" class="toclink" data-pltdoc="x">2.2.5<span class="hspace">&nbsp;</span>&#24102;<span class="RktSym"><span class="badlink"><span class="RktValLink">if</span></span></span>&#12289;<span class="RktSym"><span class="badlink"><span class="RktValLink">and</span></span></span>&#12289;<span class="RktSym"><span class="badlink"><span class="RktValLink">or</span></span></span>&#21644;<span class="RktSym"><span class="badlink"><span class="RktValLink">cond</span></span></span>&#30340;&#26465;&#20214;&#21477;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="syntax-overview.html#%28part._.Function_.Calls_.Again%29" class="toclink" data-pltdoc="x">2.2.6<span class="hspace">&nbsp;</span>&#20989;&#25968;&#37325;&#22797;&#35843;&#29992;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="syntax-overview.html#%28part._.Anonymous_.Functions_with_lambda%29" class="toclink" data-pltdoc="x">2.2.7<span class="hspace">&nbsp;</span>&#21311;&#21517;&#20989;&#25968;&#19982;<span class="RktSym"><span class="badlink"><span class="RktValLink">lambda</span></span></span></a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="syntax-overview.html#%28part._local-binding-intro%29" class="toclink" data-pltdoc="x">2.2.8<span class="hspace">&nbsp;</span>&#29992;<span class="RktSym"><span class="badlink"><span class="RktValLink">define</span></span></span>&#12289;<span class="RktSym"><span class="badlink"><span class="RktValLink">let</span></span></span>&#21644;<span class="RktSym"><span class="badlink"><span class="RktValLink">let*</span></span></span>&#23454;&#29616;&#23616;&#37096;&#32465;&#23450;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Lists-Iteration-and-Recursion.html" class="toclink" data-pltdoc="x">2.3<span class="hspace">&nbsp;</span>&#21015;&#34920;&#12289;&#36845;&#20195;&#21644;&#36882;&#24402;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Lists-Iteration-and-Recursion.html#%28part._.Predefined-.List-.Loops%29" class="toclink" data-pltdoc="x">2.3.1<span class="hspace">&nbsp;</span>&#39044;&#23450;&#20041;&#21015;&#34920;&#24490;&#29615;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Lists-Iteration-and-Recursion.html#%28part._.List-.Iteration-from-.Scratch%29" class="toclink" data-pltdoc="x">2.3.2<span class="hspace">&nbsp;</span>&#20174;&#22836;&#24320;&#22987;&#21015;&#34920;&#36845;&#20195;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Lists-Iteration-and-Recursion.html#%28part._tail-recursion%29" class="toclink" data-pltdoc="x">2.3.3<span class="hspace">&nbsp;</span>&#23614;&#36882;&#24402;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Lists-Iteration-and-Recursion.html#%28part._.Recursion-versus-.Iteration%29" class="toclink" data-pltdoc="x">2.3.4<span class="hspace">&nbsp;</span>&#36882;&#24402;&#21644;&#36845;&#20195;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Pairs-Lists-and-Racket-Syntax.html" class="toclink" data-pltdoc="x">2.4<span class="hspace">&nbsp;</span>pair&#12289;list&#21644;Racket&#30340;&#35821;&#27861;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Pairs-Lists-and-Racket-Syntax.html#%28part._quoting-lists%29" class="toclink" data-pltdoc="x">2.4.1<span class="hspace">&nbsp;</span>&#29992;<span class="RktSym"><span class="badlink"><span class="RktValLink">quote</span></span></span>&#24341;&#29992;pair&#21644;symbol</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Pairs-Lists-and-Racket-Syntax.html#%28part._.Abbreviating-quote-with-quote%29" class="toclink" data-pltdoc="x">2.4.2<span class="hspace">&nbsp;</span>&#20351;&#29992;<span class="RktVal">'</span>&#32553;&#20889;quote</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Pairs-Lists-and-Racket-Syntax.html#%28part._lists-and-syntax%29" class="toclink" data-pltdoc="x">2.4.3<span class="hspace">&nbsp;</span>&#21015;&#34920;&#21644;Racket&#35821;&#27861;</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="datatypes.html" class="toptoclink" data-pltdoc="x">3<span class="hspace">&nbsp;</span>&#20869;&#32622;&#30340;&#25968;&#25454;&#31867;&#22411;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="booleans.html" class="toclink" data-pltdoc="x">3.1<span class="hspace">&nbsp;</span>&#24067;&#23572;&#20540;&#65288;Boolean&#65289;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="numbers.html" class="toclink" data-pltdoc="x">3.2<span class="hspace">&nbsp;</span>&#25968;&#20540;&#65288;Number&#65289;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="characters.html" class="toclink" data-pltdoc="x">3.3<span class="hspace">&nbsp;</span>&#23383;&#31526;&#65288;Character&#65289;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="strings.html" class="toclink" data-pltdoc="x">3.4<span class="hspace">&nbsp;</span>&#23383;&#31526;&#20018;&#65288;Unicode&#65289;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="bytestrings.html" class="toclink" data-pltdoc="x">3.5<span class="hspace">&nbsp;</span>&#23383;&#33410;&#65288;Byte&#65289;&#21644;&#23383;&#33410;&#23383;&#31526;&#20018;&#65288;Byte String&#65289;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="symbols.html" class="toclink" data-pltdoc="x">3.6<span class="hspace">&nbsp;</span>&#31526;&#21495;&#65288;Symbol&#65289;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="keywords.html" class="toclink" data-pltdoc="x">3.7<span class="hspace">&nbsp;</span>&#20851;&#38190;&#23383;&#65288;Keyword&#65289;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="pairs.html" class="toclink" data-pltdoc="x">3.8<span class="hspace">&nbsp;</span>&#28857;&#23545;&#65288;Pair&#65289;&#21644;&#21015;&#34920;&#65288;List&#65289;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="vectors.html" class="toclink" data-pltdoc="x">3.9<span class="hspace">&nbsp;</span>&#21521;&#37327;&#65288;Vector&#65289;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="hash-tables.html" class="toclink" data-pltdoc="x">3.10<span class="hspace">&nbsp;</span>&#25955;&#21015;&#34920;&#65288;Hash Table&#65289;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="boxes.html" class="toclink" data-pltdoc="x">3.11<span class="hspace">&nbsp;</span>&#26684;&#23376;&#65288;Box&#65289;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="void_undefined.html" class="toclink" data-pltdoc="x">3.12<span class="hspace">&nbsp;</span>&#26080;&#25928;&#20540;&#65288;Void&#65289;&#21644;&#26410;&#23450;&#20041;&#20540;&#65288;Undefined&#65289;</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="scheme-forms.html" class="toptoclink" data-pltdoc="x">4<span class="hspace">&nbsp;</span>&#34920;&#36798;&#24335;&#21644;&#23450;&#20041;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="syntax-notation.html" class="toclink" data-pltdoc="x">4.1<span class="hspace">&nbsp;</span>&#26631;&#35760;&#27861;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="binding.html" class="toclink" data-pltdoc="x">4.2<span class="hspace">&nbsp;</span>&#26631;&#35782;&#31526;&#21644;&#32465;&#23450;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="application.html" class="toclink" data-pltdoc="x">4.3<span class="hspace">&nbsp;</span>&#20989;&#25968;&#35843;&#29992;&#65288;&#36807;&#31243;&#31243;&#24207;&#65289;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="application.html#%28part._.Evaluation-.Order-and-.Arity%29" class="toclink" data-pltdoc="x">4.3.1<span class="hspace">&nbsp;</span>&#27714;&#20540;&#39034;&#24207;&#21644;&#23454;&#21442;&#25968;&#37327;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="application.html#%28part._keyword-args%29" class="toclink" data-pltdoc="x">4.3.2<span class="hspace">&nbsp;</span>&#20851;&#38190;&#23383;&#21442;&#25968;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="application.html#%28part._apply%29" class="toclink" data-pltdoc="x">4.3.3<span class="hspace">&nbsp;</span><span class="RktSym"><span class="badlink"><span class="RktValLink">apply</span></span></span>&#20989;&#25968;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="lambda.html" class="toclink" data-pltdoc="x">4.4<span class="hspace">&nbsp;</span>lambda&#20989;&#25968;&#65288;&#36807;&#31243;&#65289;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="lambda.html#%28part._rest-args%29" class="toclink" data-pltdoc="x">4.4.1<span class="hspace">&nbsp;</span>&#30003;&#26126;&#19968;&#20010;&#21097;&#20313;&#65288;rest&#65289;&#21442;&#25968;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="lambda.html#%28part._.Declaring-.Optional-.Arguments%29" class="toclink" data-pltdoc="x">4.4.2<span class="hspace">&nbsp;</span>&#22768;&#26126;&#21487;&#36873;&#65288;optional&#65289;&#21442;&#25968;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="lambda.html#%28part._lambda-keywords%29" class="toclink" data-pltdoc="x">4.4.3<span class="hspace">&nbsp;</span>&#22768;&#26126;&#20851;&#38190;&#23383;&#65288;keyword&#65289;&#21442;&#25968;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="lambda.html#%28part._case-lambda%29" class="toclink" data-pltdoc="x">4.4.4<span class="hspace">&nbsp;</span>&#23454;&#21442;&#25968;&#37327;&#24863;&#30693;&#20989;&#25968;&#65306;case-lambda</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="define.html" class="toclink" data-pltdoc="x">4.5<span class="hspace">&nbsp;</span>&#23450;&#20041;&#65306;<span class="RktSym"><span class="badlink"><span class="RktValLink">define</span></span></span></a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="define.html#%28part._.Function-.Shorthand%29" class="toclink" data-pltdoc="x">4.5.1<span class="hspace">&nbsp;</span>&#20989;&#25968;&#31616;&#20889;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="define.html#%28part._.Curried-.Function-.Shorthand%29" class="toclink" data-pltdoc="x">4.5.2<span class="hspace">&nbsp;</span>&#26607;&#37324;&#20989;&#25968;&#31616;&#20889;</a></p></td></tr><tr><td><p><span 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class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="let.html#%28part._.Sequential-.Binding-let~5d%29" class="toclink" data-pltdoc="x">4.6.2<span class="hspace">&nbsp;</span>&#39034;&#24207;&#32465;&#23450;&#65306;let*</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="let.html#%28part._.Recursive-.Binding-letrec%29" class="toclink" data-pltdoc="x">4.6.3<span class="hspace">&nbsp;</span>&#36882;&#24402;&#32465;&#23450;&#65306;letrec</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="let.html#%28part._.Named-let%29" class="toclink" data-pltdoc="x">4.6.4<span class="hspace">&nbsp;</span>&#21629;&#21517;let</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="let.html#%28part._.Multiple-.Values-let%29" class="toclink" data-pltdoc="x">4.6.5<span 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class="badlink"><span class="RktValLink">and</span></span></span>&#21644;<span class="RktSym"><span class="badlink"><span class="RktValLink">or</span></span></span></a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="conditionals.html#%28part._cond%29" class="toclink" data-pltdoc="x">4.7.3<span class="hspace">&nbsp;</span>&#32534;&#38142;&#27979;&#35797;&#65306;cond</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="begin.html" class="toclink" data-pltdoc="x">4.8<span class="hspace">&nbsp;</span>&#23450;&#24207;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="begin.html#%28part._.Effects-.Before-begin%29" class="toclink" data-pltdoc="x">4.8.1<span class="hspace">&nbsp;</span>&#21069;&#25928;&#24212;&#65306;<span class="RktSym"><span class="badlink"><span class="RktValLink">begin</span></span></span></a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="begin.html#%28part._.Effects-.After-begin0%29" class="toclink" data-pltdoc="x">4.8.2<span class="hspace">&nbsp;</span>&#21518;&#25928;&#24212;&#65306;<span class="RktSym"><span class="badlink"><span class="RktValLink">begin0</span></span></span></a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="begin.html#%28part._when%2Bunless%29" class="toclink" data-pltdoc="x">4.8.3<span class="hspace">&nbsp;</span>if&#25928;&#24212;&#65306;<span class="RktSym"><span class="badlink"><span class="RktValLink">when</span></span></span>&#21644;<span class="RktSym"><span class="badlink"><span class="RktValLink">unless</span></span></span></a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="set_.html" class="toclink" data-pltdoc="x">4.9<span class="hspace">&nbsp;</span>&#36171;&#20540;&#65306;<span class="RktSym"><span class="badlink"><span class="RktValLink">set!</span></span></span></a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="set_.html#%28part._using-set%21%29" class="toclink" data-pltdoc="x">4.9.1<span class="hspace">&nbsp;</span>&#20351;&#29992;&#36171;&#20540;&#30340;&#25351;&#23548;&#21407;&#21017;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="set_.html#%28part._~e5~a4~9a~e5~80~bc~e8~b5~8b~e5~80~bc_set_-values%29" class="toclink" data-pltdoc="x">4.9.2<span class="hspace">&nbsp;</span>&#22810;&#20540;&#36171;&#20540;&#65306;<span class="RktSym"><span class="badlink"><span class="RktValLink">set!-values</span></span></span></a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="quote.html" class="toclink" data-pltdoc="x">4.10<span class="hspace">&nbsp;</span>&#24341;&#29992;&#65306;<span class="RktSym"><span class="badlink"><span class="RktValLink">quote</span></span></span>&#21644;<span class="RktVal">'</span></a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="qq.html" class="toclink" data-pltdoc="x">4.11<span class="hspace">&nbsp;</span>&#20934;&#24341;&#29992;&#65306;<span class="RktSym"><span class="badlink"><span class="RktValLink">quasiquote</span></span></span>&#21644;<span class="RktVal">&lsquo;</span></a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="case.html" class="toclink" data-pltdoc="x">4.12<span class="hspace">&nbsp;</span>&#31616;&#21333;&#20998;&#27966;&#65306;<span class="RktSym"><span class="badlink"><span class="RktValLink">case</span></span></span></a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="parameterize.html" class="toclink" data-pltdoc="x">4.13<span class="hspace">&nbsp;</span>&#21160;&#24577;&#32465;&#23450;&#65306;<span class="RktSym"><span class="badlink"><span class="RktValLink">parameterize</span></span></span></a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="define-struct.html" class="toptoclink" data-pltdoc="x">5<span class="hspace">&nbsp;</span>&#31243;&#24207;&#21592;&#23450;&#20041;&#30340;&#25968;&#25454;&#31867;&#22411;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="define-struct.html#%28part._.Simple-.Structure-.Types-struct%29" class="toclink" data-pltdoc="x">5.1<span class="hspace">&nbsp;</span>&#31616;&#21333;&#30340;&#32467;&#26500;&#31867;&#22411;&#65306;<span class="RktSym"><span class="badlink"><span class="RktValLink">struct</span></span></span></a></p></td></tr><tr><td><p><span 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data-pltdoc="x">5.5<span class="hspace">&nbsp;</span>&#32467;&#26500;&#30340;&#27604;&#36739;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="define-struct.html#%28part._.Structure-.Type-.Generativity%29" class="toclink" data-pltdoc="x">5.6<span class="hspace">&nbsp;</span>&#32467;&#26500;&#31867;&#22411;&#30340;&#29983;&#25104;&#24615;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="define-struct.html#%28part._prefab-struct%29" class="toclink" data-pltdoc="x">5.7<span class="hspace">&nbsp;</span>&#39044;&#21046;&#32467;&#26500;&#31867;&#22411;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="define-struct.html#%28part._struct-options%29" class="toclink" data-pltdoc="x">5.8<span class="hspace">&nbsp;</span>&#26356;&#22810;&#30340;&#32467;&#26500;&#31867;&#22411;&#36873;&#39033;</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="modules.html" class="toptoclink" data-pltdoc="x">6<span class="hspace">&nbsp;</span>&#27169;&#22359;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="module-basics.html" class="toclink" data-pltdoc="x">6.1<span class="hspace">&nbsp;</span>&#27169;&#22359;&#22522;&#30784;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="module-basics.html#%28part._module-org%29" class="toclink" data-pltdoc="x">6.1.1<span class="hspace">&nbsp;</span>&#32452;&#32455;&#27169;&#22359;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="module-basics.html#%28part._.Library-.Collections%29" class="toclink" data-pltdoc="x">6.1.2<span class="hspace">&nbsp;</span>&#24211;&#38598;&#21512;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="module-basics.html#%28part._packages-and-collections%29" class="toclink" data-pltdoc="x">6.1.3<span class="hspace">&nbsp;</span>&#21253;&#21644;&#38598;&#21512;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="module-basics.html#%28part._link-collection%29" class="toclink" data-pltdoc="x">6.1.4<span class="hspace">&nbsp;</span>&#28155;&#21152;&#38598;&#21512;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Module-Syntax.html" class="toclink" data-pltdoc="x">6.2<span class="hspace">&nbsp;</span>&#27169;&#22359;&#35821;&#27861;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Module-Syntax.html#%28part._module-syntax%29" class="toclink" data-pltdoc="x">6.2.1<span class="hspace">&nbsp;</span><span class="RktSym"><span class="badlink"><span class="RktValLink">module</span></span></span>&#34920;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Module-Syntax.html#%28part._hash-lang%29" class="toclink" data-pltdoc="x">6.2.2<span class="hspace">&nbsp;</span><span class="RktMod">#lang</span>&#31616;&#20889;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Module-Syntax.html#%28part._submodules%29" class="toclink" data-pltdoc="x">6.2.3<span class="hspace">&nbsp;</span>&#23376;&#27169;&#22359;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Module-Syntax.html#%28part._main-and-test%29" class="toclink" data-pltdoc="x">6.2.4<span class="hspace">&nbsp;</span>main&#21644;test&#23376;&#27169;&#22359;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="module-paths.html" 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class="hspace"></span></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="contracts.html" class="toptoclink" data-pltdoc="x">7<span class="hspace">&nbsp;</span>&#21512;&#32422;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="contract-boundaries.html" class="toclink" data-pltdoc="x">7.1<span class="hspace">&nbsp;</span>&#21512;&#32422;&#21644;&#36793;&#30028;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="contract-boundaries.html#%28part._contracts-amount0%29" class="toclink" data-pltdoc="x">7.1.1<span class="hspace">&nbsp;</span>&#21512;&#32422;&#30340;&#36829;&#21453;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="contract-boundaries.html#%28part._contracts-.Experimenting-with-.Contracts-and-.Modules%29" class="toclink" data-pltdoc="x">7.1.2<span 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class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="contract-func.html#%28part._contracts-dissecting-contract-errors%29" class="toclink" data-pltdoc="x">7.2.7<span class="hspace">&nbsp;</span>&#35299;&#26512;&#19968;&#20010;&#21512;&#32422;&#38169;&#35823;&#20449;&#24687;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="contracts-general-functions.html" class="toclink" data-pltdoc="x">7.3<span class="hspace">&nbsp;</span>&#19968;&#33324;&#21151;&#33021;&#21512;&#32422;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="contracts-general-functions.html#%28part._contracts-optional%29" class="toclink" data-pltdoc="x">7.3.1<span class="hspace">&nbsp;</span>&#21487;&#36873;&#21442;&#25968;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a 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data-pltdoc="x">7.3.5<span class="hspace">&nbsp;</span><span class="RktSym"><span class="badlink"><span class="RktValLink">case-lambda</span></span></span>&#30340;&#21512;&#32422;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="contracts-general-functions.html#%28part._contracts-arrow-d%29" class="toclink" data-pltdoc="x">7.3.6<span class="hspace">&nbsp;</span>&#21442;&#25968;&#21644;&#32467;&#26524;&#20381;&#36182;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="contracts-general-functions.html#%28part._contracts-arrow-d-eval-order%29" class="toclink" data-pltdoc="x">7.3.7<span class="hspace">&nbsp;</span>&#26816;&#26597;&#29366;&#24577;&#21464;&#21270;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="contracts-general-functions.html#%28part._contracts-multiple%29" class="toclink" data-pltdoc="x">7.3.8<span class="hspace">&nbsp;</span>&#22810;&#20010;&#32467;&#26524;&#20540;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="contracts-general-functions.html#%28part._contracts-no-domain%29" class="toclink" data-pltdoc="x">7.3.9<span class="hspace">&nbsp;</span>&#22266;&#23450;&#20294;&#38745;&#24577;&#26410;&#30693;&#25968;&#37327;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="contracts-first.html" class="toclink" data-pltdoc="x">7.4<span class="hspace">&nbsp;</span>&#21512;&#32422;&#65306;&#19968;&#20010;&#23436;&#25972;&#30340;&#20363;&#23376;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="contracts-struct.html" class="toclink" data-pltdoc="x">7.5<span class="hspace">&nbsp;</span>&#32467;&#26500;&#19978;&#30340;&#21512;&#32422;</a></p></td></tr><tr><td><p><span 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class="toclink" data-pltdoc="x">7.6<span class="hspace">&nbsp;</span>&#29992;<span class="RktPn">#:exists</span>&#21644;<span class="RktPn">#:&#8707;</span>&#25277;&#35937;&#21512;&#32422;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="contracts-examples.html" class="toclink" data-pltdoc="x">7.7<span class="hspace">&nbsp;</span>&#38468;&#21152;&#23454;&#20363;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="contracts-examples.html#%28part._.A-.Customer-.Manager-.Component%29" class="toclink" data-pltdoc="x">7.7.1<span class="hspace">&nbsp;</span>&#19968;&#20010;&#23458;&#25143;&#31649;&#29702;&#22120;&#32452;&#24314;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="contracts-examples.html#%28part._.A-.Parameteric-.Simple-.Stack%29" class="toclink" data-pltdoc="x">7.7.2<span 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href="contracts-gotchas.html#%28part._contracts-.Defining-.Recursive-.Contracts%29" class="toclink" data-pltdoc="x">7.9.4<span class="hspace">&nbsp;</span>&#23450;&#20041;&#36882;&#24402;&#21512;&#32422;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="contracts-gotchas.html#%28part._~e6~b7~b7~e5~90~88set_~e5~92~8ccontract-out%29" class="toclink" data-pltdoc="x">7.9.5<span class="hspace">&nbsp;</span>&#28151;&#21512;<span class="RktSym"><span class="badlink"><span class="RktValLink">set!</span></span></span>&#21644;<span class="RktSym"><span class="badlink"><span class="RktValLink">contract-out</span></span></span></a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="i_o.html" class="toptoclink" data-pltdoc="x">8<span class="hspace">&nbsp;</span>&#36755;&#20837;&#21644;&#36755;&#20986;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="ports.html" class="toclink" data-pltdoc="x">8.1<span class="hspace">&nbsp;</span>&#31471;&#21475;&#30340;&#31181;&#31867;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="default-ports.html" class="toclink" data-pltdoc="x">8.2<span class="hspace">&nbsp;</span>&#40664;&#35748;&#31471;&#21475;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="read-write.html" class="toclink" data-pltdoc="x">8.3<span class="hspace">&nbsp;</span>&#35835;&#20889;Racket&#25968;&#25454;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="serialization.html" class="toclink" data-pltdoc="x">8.4<span class="hspace">&nbsp;</span>&#25968;&#25454;&#31867;&#22411;&#21644;&#24207;&#21015;&#21270;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="encodings.html" class="toclink" data-pltdoc="x">8.5<span class="hspace">&nbsp;</span>&#23383;&#33410;&#12289;&#23383;&#31526;&#21644;&#32534;&#30721;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="io-patterns.html" class="toclink" data-pltdoc="x">8.6<span class="hspace">&nbsp;</span>I/O&#27169;&#24335;</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="regexp.html" class="toptoclink" data-pltdoc="x">9<span class="hspace">&nbsp;</span>&#27491;&#21017;&#34920;&#36798;&#24335;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="regexp-intro.html" class="toclink" data-pltdoc="x">9.1<span class="hspace">&nbsp;</span>&#32534;&#20889;&#27491;&#21017;&#34920;&#36798;&#24335;&#27169;&#24335;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a 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class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="regexp-chars.html#%28part._.P.O.S.I.X-character-classes%29" class="toclink" data-pltdoc="x">9.4.2<span class="hspace">&nbsp;</span>POSIX&#23383;&#31526;&#31867;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="regexp-quant.html" class="toclink" data-pltdoc="x">9.5<span class="hspace">&nbsp;</span>&#37327;&#35789;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="regexp-clusters.html" class="toclink" data-pltdoc="x">9.6<span class="hspace">&nbsp;</span>&#31751;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="regexp-clusters.html#%28part._.Backreferences%29" class="toclink" data-pltdoc="x">9.6.1<span class="hspace">&nbsp;</span>&#21453;&#21521;&#24341;&#29992;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="regexp-clusters.html#%28part._.Non-capturing-.Clusters%29" class="toclink" data-pltdoc="x">9.6.2<span class="hspace">&nbsp;</span>&#38750;&#25429;&#25417;&#31751;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="regexp-clusters.html#%28part._regexp-cloister%29" class="toclink" data-pltdoc="x">9.6.3<span class="hspace">&nbsp;</span>&#22238;&#24266;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="regexp-alternation.html" class="toclink" data-pltdoc="x">9.7<span class="hspace">&nbsp;</span>&#26367;&#34917;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Backtracking.html" class="toclink" data-pltdoc="x">9.8<span class="hspace">&nbsp;</span>&#22238;&#28335;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Looking-Ahead-and-Behind.html" class="toclink" data-pltdoc="x">9.9<span class="hspace">&nbsp;</span>&#21069;&#23547;&#19982;&#21518;&#23547;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Looking-Ahead-and-Behind.html#%28part._.Lookahead%29" class="toclink" data-pltdoc="x">9.9.1<span class="hspace">&nbsp;</span>&#21069;&#23547;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Looking-Ahead-and-Behind.html#%28part._.Lookbehind%29" class="toclink" data-pltdoc="x">9.9.2<span class="hspace">&nbsp;</span>&#21518;&#23547;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="An-Extended-Example.html" class="toclink" data-pltdoc="x">9.10<span class="hspace">&nbsp;</span>&#19968;&#20010;&#25193;&#23637;&#31034;&#20363;</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="control.html" class="toptoclink" data-pltdoc="x">10<span class="hspace">&nbsp;</span>&#24322;&#24120;&#19982;&#25511;&#21046;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="exns.html" class="toclink" data-pltdoc="x">10.1<span class="hspace">&nbsp;</span>&#24322;&#24120;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="prompt.html" class="toclink" data-pltdoc="x">10.2<span class="hspace">&nbsp;</span>&#25552;&#31034;&#21644;&#20013;&#27490;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="conts.html" class="toclink" data-pltdoc="x">10.3<span class="hspace">&nbsp;</span>&#24310;&#32493;</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;</span><a 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class="RktSym"><span class="badlink"><span class="RktValLink">for/list</span></span></span>&#21644;<span class="RktSym"><span class="badlink"><span class="RktValLink">for*/list</span></span></span></a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="for.html#%28part._for~7cvector-and-for~7cvector%29" class="toclink" data-pltdoc="x">11.4<span class="hspace">&nbsp;</span><span class="RktSym"><span class="badlink"><span class="RktValLink">for/vector</span></span></span> and <span class="RktSym"><span class="badlink"><span class="RktValLink">for*/vector</span></span></span></a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="for.html#%28part._for~7cand-and-for~7cor%29" class="toclink" data-pltdoc="x">11.5<span class="hspace">&nbsp;</span><span class="RktSym"><span class="badlink"><span class="RktValLink">for/and</span></span></span>&#21644;<span class="RktSym"><span class="badlink"><span class="RktValLink">for/or</span></span></span></a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="for.html#%28part._for~7cfirst-and-for~7clast%29" class="toclink" data-pltdoc="x">11.6<span class="hspace">&nbsp;</span><span class="RktSym"><span class="badlink"><span class="RktValLink">for/first</span></span></span>&#21644;<span class="RktSym"><span class="badlink"><span class="RktValLink">for/last</span></span></span></a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="for.html#%28part._for%2Ffold%29" class="toclink" data-pltdoc="x">11.7<span class="hspace">&nbsp;</span><span class="RktSym"><span class="badlink"><span class="RktValLink">for/fold</span></span></span>&#21644;<span class="RktSym"><span class="badlink"><span class="RktValLink">for*/fold</span></span></span></a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="for.html#%28part._.Multiple-.Valued-.Sequences%29" class="toclink" data-pltdoc="x">11.8<span class="hspace">&nbsp;</span>&#22810;&#20540;&#24207;&#21015;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="for.html#%28part._.Breaking-an-.Iteration%29" class="toclink" data-pltdoc="x">11.9<span class="hspace">&nbsp;</span>&#25171;&#26029;&#36845;&#20195;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="for.html#%28part._for-performance%29" class="toclink" data-pltdoc="x">11.10<span class="hspace">&nbsp;</span>&#36845;&#20195;&#24615;&#33021;</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="match.html" class="toptoclink" data-pltdoc="x">12<span class="hspace">&nbsp;</span>&#27169;&#24335;&#21305;&#37197;</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="classes.html" class="toptoclink" data-pltdoc="x">13<span class="hspace">&nbsp;</span>&#31867;&#21644;&#23545;&#35937;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="classes.html#%28part._methods%29" class="toclink" data-pltdoc="x">13.1<span class="hspace">&nbsp;</span>&#26041;&#27861;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="classes.html#%28part._initargs%29" class="toclink" data-pltdoc="x">13.2<span class="hspace">&nbsp;</span>&#21021;&#22987;&#21270;&#21442;&#25968;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="classes.html#%28part._intnames%29" class="toclink" data-pltdoc="x">13.3<span class="hspace">&nbsp;</span>&#20869;&#37096;&#21644;&#22806;&#37096;&#21517;&#31216;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="classes.html#%28part._.Interfaces%29" class="toclink" data-pltdoc="x">13.4<span class="hspace">&nbsp;</span>&#25509;&#21475;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="classes.html#%28part._inner%29" class="toclink" data-pltdoc="x">13.5<span class="hspace">&nbsp;</span>Final&#12289;Augment&#21644;Inner</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="classes.html#%28part._extnames%29" class="toclink" data-pltdoc="x">13.6<span class="hspace">&nbsp;</span>&#25511;&#21046;&#22806;&#37096;&#21517;&#31216;&#30340;&#33539;&#22260;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="classes.html#%28part._.Mixins%29" class="toclink" data-pltdoc="x">13.7<span class="hspace">&nbsp;</span>&#28151;&#21512;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="classes.html#%28part._.Mixins-and-.Interfaces%29" class="toclink" data-pltdoc="x">13.7.1<span class="hspace">&nbsp;</span>&#28151;&#21512;&#21644;&#25509;&#21475;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="classes.html#%28part._.The-mixin-.Form%29" class="toclink" data-pltdoc="x">13.7.2<span class="hspace">&nbsp;</span><span class="RktSym"><span class="badlink"><span class="RktValLink">mixin</span></span></span>&#34920;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="classes.html#%28part._parammixins%29" class="toclink" data-pltdoc="x">13.7.3<span class="hspace">&nbsp;</span>&#21442;&#25968;&#21270;&#30340;&#28151;&#21512;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="classes.html#%28part._.Traits%29" class="toclink" data-pltdoc="x">13.8<span class="hspace">&nbsp;</span>&#29305;&#24449;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="classes.html#%28part._.Traits-as-.Sets-of-.Mixins%29" class="toclink" data-pltdoc="x">13.8.1<span class="hspace">&nbsp;</span>&#29305;&#24449;&#20316;&#20026;&#28151;&#21512;&#38598;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="classes.html#%28part._.Inherit-and-.Super-in-.Traits%29" class="toclink" data-pltdoc="x">13.8.2<span class="hspace">&nbsp;</span>&#29305;&#24449;&#30340;&#32487;&#25215;&#19982;&#22522;&#31867;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="classes.html#%28part._.The-trait-.Form%29" class="toclink" data-pltdoc="x">13.8.3<span class="hspace">&nbsp;</span><span class="RktSym"><span class="badlink"><span class="RktValLink">trait</span></span></span>&#34920;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="classes.html#%28part._.Class-.Contracts%29" class="toclink" data-pltdoc="x">13.9<span class="hspace">&nbsp;</span>&#31867;&#21512;&#32422;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="classes.html#%28part._.External-.Class-.Contracts%29" class="toclink" data-pltdoc="x">13.9.1<span class="hspace">&nbsp;</span>&#22806;&#37096;&#31867;&#21512;&#32422;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="classes.html#%28part._.Internal-.Class-.Contracts%29" class="toclink" data-pltdoc="x">13.9.2<span class="hspace">&nbsp;</span>&#20869;&#37096;&#31867;&#21512;&#32422;</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="units.html" class="toptoclink" data-pltdoc="x">14<span class="hspace">&nbsp;</span>&#21333;&#20803;&#65288;&#32452;&#20214;&#65289;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Signatures-and-Units.html" class="toclink" data-pltdoc="x">14.1<span class="hspace">&nbsp;</span>&#31614;&#21517;&#21644;&#21333;&#20803;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Invoking-Units.html" class="toclink" data-pltdoc="x">14.2<span class="hspace">&nbsp;</span>&#35843;&#29992;&#21333;&#20803;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Linking-Units.html" class="toclink" data-pltdoc="x">14.3<span class="hspace">&nbsp;</span>&#38142;&#25509;&#21333;&#20803;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="firstclassunits.html" class="toclink" data-pltdoc="x">14.4<span class="hspace">&nbsp;</span>&#19968;&#32423;&#21333;&#20803;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Whole-module-Signatures-and-Units.html" class="toclink" data-pltdoc="x">14.5<span class="hspace">&nbsp;</span>&#23436;&#25972;&#30340;<span class="RktSym"><span class="badlink"><span class="RktValLink">module</span></span></span>&#31614;&#21517;&#21644;&#21333;&#20803;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Contracts-for-Units.html" class="toclink" data-pltdoc="x">14.6<span class="hspace">&nbsp;</span>&#21333;&#20803;&#21512;&#32422;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Contracts-for-Units.html#%28part._.Adding-.Contracts-to-.Signatures%29" class="toclink" data-pltdoc="x">14.6.1<span class="hspace">&nbsp;</span>&#32473;&#31614;&#21517;&#28155;&#21152;&#21512;&#32422;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Contracts-for-Units.html#%28part._.Adding-.Contracts-to-.Units%29" class="toclink" data-pltdoc="x">14.6.2<span class="hspace">&nbsp;</span>&#32473;&#21333;&#20803;&#28155;&#21152;&#21512;&#32422;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="unit-versus-module.html" class="toclink" data-pltdoc="x">14.7<span class="hspace">&nbsp;</span><span class="RktSym"><span class="badlink"><span class="RktValLink">unit</span></span></span>&#19982;<span class="RktSym"><span class="badlink"><span class="RktValLink">module</span></span></span>&#30340;&#27604;&#36739;</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="reflection.html" class="toptoclink" data-pltdoc="x">15<span class="hspace">&nbsp;</span>&#21453;&#23556;&#21644;&#21160;&#24577;&#27714;&#20540;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="eval.html" class="toclink" data-pltdoc="x">15.1<span class="hspace">&nbsp;</span><span class="RktSym"><span class="badlink"><span class="RktValLink">eval</span></span></span></a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="eval.html#%28part._.Local-.Scopes%29" class="toclink" data-pltdoc="x">15.1.1<span class="hspace">&nbsp;</span>&#26412;&#22320;&#22495;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="eval.html#%28part._namespaces%29" class="toclink" data-pltdoc="x">15.1.2<span class="hspace">&nbsp;</span>&#21629;&#21517;&#31354;&#38388;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="eval.html#%28part._.Namespaces-and-.Modules%29" class="toclink" data-pltdoc="x">15.1.3<span class="hspace">&nbsp;</span>&#21629;&#21517;&#31354;&#38388;&#21644;&#27169;&#22359;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="mk-namespace.html" class="toclink" data-pltdoc="x">15.2<span class="hspace">&nbsp;</span>&#25805;&#32437;&#30340;&#21629;&#21517;&#31354;&#38388;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="mk-namespace.html#%28part._.Creating-and-.Installing-.Namespaces%29" class="toclink" data-pltdoc="x">15.2.1<span class="hspace">&nbsp;</span>&#21019;&#24314;&#21644;&#23433;&#35013;&#21629;&#21517;&#31354;&#38388;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="mk-namespace.html#%28part._.Sharing-.Data-and-.Code-.Across-.Namespaces%29" class="toclink" data-pltdoc="x">15.2.2<span class="hspace">&nbsp;</span>&#20849;&#20139;&#25968;&#25454;&#21644;&#20195;&#30721;&#30340;&#21629;&#21517;&#31354;&#38388;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="load.html" class="toclink" data-pltdoc="x">15.3<span class="hspace">&nbsp;</span>&#33050;&#26412;&#27714;&#20540;&#21644;&#20351;&#29992;<span class="RktSym"><span class="badlink"><span class="RktValLink">load</span></span></span></a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="macros.html" class="toptoclink" data-pltdoc="x">16<span class="hspace">&nbsp;</span>&#23439;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="pattern-macros.html" class="toclink" data-pltdoc="x">16.1<span class="hspace">&nbsp;</span>&#22522;&#20110;&#27169;&#24335;&#30340;&#23439;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="pattern-macros.html#%28part._define-syntax-rule%29" class="toclink" data-pltdoc="x">16.1.1<span class="hspace">&nbsp;</span><span class="RktSym"><span class="badlink"><span class="RktValLink">define-syntax-rule</span></span></span></a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="pattern-macros.html#%28part._.Lexical-.Scope%29" class="toclink" data-pltdoc="x">16.1.2<span class="hspace">&nbsp;</span>&#35789;&#27861;&#33539;&#22260;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="pattern-macros.html#%28part._define-syntax-and-syntax-rules%29" class="toclink" data-pltdoc="x">16.1.3<span class="hspace">&nbsp;</span><span class="RktSym"><span class="badlink"><span class="RktValLink">define-syntax</span></span></span>&#21644;<span class="RktSym"><span class="badlink"><span class="RktValLink">syntax-rules</span></span></span></a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="pattern-macros.html#%28part._.Matching-.Sequences%29" class="toclink" data-pltdoc="x">16.1.4<span class="hspace">&nbsp;</span>&#21305;&#37197;&#24207;&#21015;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="pattern-macros.html#%28part._.Identifier-.Macros%29" class="toclink" data-pltdoc="x">16.1.5<span class="hspace">&nbsp;</span>&#26631;&#35782;&#31526;&#23439;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="pattern-macros.html#%28part._set-.Transformers%29" class="toclink" data-pltdoc="x">16.1.6<span class="hspace">&nbsp;</span><span class="RktSym"><span class="badlink"><span class="RktValLink">set!</span></span></span>&#36716;&#21270;&#22120;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="pattern-macros.html#%28part._.Macro-.Generating-.Macros%29" class="toclink" data-pltdoc="x">16.1.7<span class="hspace">&nbsp;</span>&#23439;&#29983;&#25104;&#23439;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="pattern-macros.html#%28part._pattern-macro-example%29" class="toclink" data-pltdoc="x">16.1.8<span class="hspace">&nbsp;</span>&#25193;&#23637;&#30340;&#20363;&#23376;&#65306;&#20989;&#25968;&#30340;&#24341;&#29992;&#35843;&#29992;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="proc-macros.html" class="toclink" data-pltdoc="x">16.2<span class="hspace">&nbsp;</span>&#36890;&#29992;&#23439;&#36716;&#21270;&#22120;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="stx-obj.html" class="toclink" data-pltdoc="x">16.2.1<span class="hspace">&nbsp;</span>&#35821;&#27861;&#23545;&#35937;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="macro-transformers.html" class="toclink" data-pltdoc="x">16.2.2<span class="hspace">&nbsp;</span>&#23439;&#36716;&#21270;&#22120;&#31243;&#24207;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="syntax-case.html" class="toclink" data-pltdoc="x">16.2.3<span class="hspace">&nbsp;</span>&#28151;&#21512;&#27169;&#24335;&#21644;&#34920;&#36798;&#24335;&#65306;<span class="RktSym"><span class="badlink"><span class="RktValLink">syntax-case</span></span></span></a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="with-syntax.html" class="toclink" data-pltdoc="x">16.2.4<span class="hspace">&nbsp;</span><span class="RktSym"><span class="badlink"><span class="RktValLink">with-syntax</span></span></span>&#21644;<span class="RktSym"><span class="badlink"><span class="RktValLink">generate-temporaries</span></span></span></a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="stx-phases.html" class="toclink" data-pltdoc="x">16.2.5<span class="hspace">&nbsp;</span>&#32534;&#35793;&#21644;&#36816;&#34892;&#26102;&#38454;&#27573;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="phases.html" class="toclink" data-pltdoc="x">16.2.6<span class="hspace">&nbsp;</span>&#36890;&#29992;&#38454;&#27573;&#31561;&#32423;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="phases.html#%28part._.Phases-and-.Bindings%29" class="toclink" data-pltdoc="x">16.2.6.1<span class="hspace">&nbsp;</span>&#38454;&#27573;&#21644;&#32465;&#23450;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="phases.html#%28part._.Phases-and-.Modules%29" class="toclink" data-pltdoc="x">16.2.6.2<span class="hspace">&nbsp;</span>&#38454;&#27573;&#21644;&#27169;&#22359;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="stx-certs.html" class="toclink" data-pltdoc="x">16.2.7<span class="hspace">&nbsp;</span>&#35821;&#27861;&#27745;&#26579;</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="languages.html" class="toptoclink" data-pltdoc="x">17<span class="hspace">&nbsp;</span>&#21019;&#36896;&#35821;&#35328;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="module-languages.html" class="toclink" data-pltdoc="x">17.1<span class="hspace">&nbsp;</span>&#27169;&#22359;&#65288;module&#65289;&#35821;&#35328;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="module-languages.html#%28part._implicit-forms%29" class="toclink" data-pltdoc="x">17.1.1<span class="hspace">&nbsp;</span>&#38544;&#24335;&#32465;&#23450;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="module-languages.html#%28part._s-exp%29" class="toclink" data-pltdoc="x">17.1.2<span class="hspace">&nbsp;</span>&#20351;&#29992;<span class="RktModLink"><span class="RktMod">#lang</span></span><span class="stt"> </span><span class="RktModLink"><span class="RktSym">s-exp</span></span></a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="hash-reader.html" class="toclink" data-pltdoc="x">17.2<span class="hspace">&nbsp;</span>&#35835;&#21462;&#22120;&#25193;&#23637;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="hash-reader.html#%28part._.Source_.Locations%29" class="toclink" data-pltdoc="x">17.2.1<span class="hspace">&nbsp;</span>&#28304;&#20301;&#32622;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="hash-reader.html#%28part._readtable%29" class="toclink" data-pltdoc="x">17.2.2<span class="hspace">&nbsp;</span>readtable&#65288;&#35835;&#21462;&#34920;&#26684;&#65289;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="hash-languages.html" class="toclink" data-pltdoc="x">17.3<span class="hspace">&nbsp;</span>&#23450;&#20041;&#26032;&#30340;<span class="RktModLink"><span class="RktMod">#lang</span></span>&#35821;&#35328;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="hash-lang_syntax.html" class="toclink" data-pltdoc="x">17.3.1<span class="hspace">&nbsp;</span>&#25351;&#23450;&#19968;&#20010;<span class="RktModLink"><span class="RktMod">#lang</span></span>&#35821;&#35328;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="hash-lang_reader.html" class="toclink" data-pltdoc="x">17.3.2<span class="hspace">&nbsp;</span>&#20351;&#29992;<span class="RktModLink"><span class="RktMod">#lang</span></span><span class="stt"> </span><span class="RktModLink"><span class="RktSym">reader</span></span></a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="syntax_module-reader.html" class="toclink" data-pltdoc="x">17.3.3<span class="hspace">&nbsp;</span>&#20351;&#29992;<span class="RktModLink"><span class="RktMod">#lang</span></span><span class="stt"> </span><span class="RktModLink"><span class="RktSym">s-exp</span></span><span class="stt"> </span><span class="RktModLink"><span class="RktSym">syntax/module-reader</span></span></a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="language-collection.html" class="toclink" data-pltdoc="x">17.3.4<span class="hspace">&nbsp;</span>&#23433;&#35013;&#19968;&#38376;&#35821;&#35328;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="language-get-info.html" class="toclink" data-pltdoc="x">17.3.5<span class="hspace">&nbsp;</span>&#28304;&#22788;&#29702;&#37197;&#32622;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="module-runtime-config.html" class="toclink" data-pltdoc="x">17.3.6<span class="hspace">&nbsp;</span>&#27169;&#22359;&#22788;&#29702;&#37197;&#32622;</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="concurrency.html" class="toptoclink" data-pltdoc="x">18<span class="hspace">&nbsp;</span>&#24182;&#21457;&#19982;&#21516;&#27493;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="concurrency.html#%28part._.Threads%29" class="toclink" data-pltdoc="x">18.1<span class="hspace">&nbsp;</span>&#32447;&#31243;&#65288;thread&#65289;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="concurrency.html#%28part._.Thread_.Mailboxes%29" class="toclink" data-pltdoc="x">18.2<span class="hspace">&nbsp;</span>&#32447;&#31243;&#37038;&#31665;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="concurrency.html#%28part._.Semaphores%29" class="toclink" data-pltdoc="x">18.3<span class="hspace">&nbsp;</span>&#20449;&#21495;&#65288;Semaphores&#65289;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="concurrency.html#%28part._.Channels%29" class="toclink" data-pltdoc="x">18.4<span class="hspace">&nbsp;</span>&#36890;&#36947;&#65288;Channels&#65289;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="concurrency.html#%28part._.Buffered_.Asynchronous_.Channels%29" class="toclink" data-pltdoc="x">18.5<span class="hspace">&nbsp;</span>&#32531;&#20914;&#24322;&#27493;&#36890;&#36947;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="concurrency.html#%28part._.Synchronizable_.Events_and_sync%29" class="toclink" data-pltdoc="x">18.6<span class="hspace">&nbsp;</span>&#21516;&#27493;&#20107;&#20214;&#21644;<span class="RktSym"><span class="badlink"><span class="RktValLink">sync</span></span></span></a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="performance.html" class="toptoclink" data-pltdoc="x">19<span class="hspace">&nbsp;</span>&#24615;&#33021;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="performance.html#%28part._.Dr.Racket-perf%29" class="toclink" data-pltdoc="x">19.1<span class="hspace">&nbsp;</span>DrRacket&#20013;&#30340;&#24615;&#33021;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="performance.html#%28part._.J.I.T%29" class="toclink" data-pltdoc="x">19.2<span class="hspace">&nbsp;</span>&#23383;&#33410;&#30721;&#21644;&#21363;&#26102;&#65288;JIT&#65289;&#32534;&#35793;&#22120;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="performance.html#%28part._modules-performance%29" class="toclink" data-pltdoc="x">19.3<span class="hspace">&nbsp;</span>&#27169;&#22359;&#21644;&#24615;&#33021;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="performance.html#%28part._func-call-performance%29" class="toclink" data-pltdoc="x">19.4<span class="hspace">&nbsp;</span>&#20989;&#25968;&#35843;&#29992;&#20248;&#21270;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="performance.html#%28part._.Mutation_and_.Performance%29" class="toclink" data-pltdoc="x">19.5<span class="hspace">&nbsp;</span>&#31361;&#21464;&#21644;&#24615;&#33021;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="performance.html#%28part._letrec-performance%29" class="toclink" data-pltdoc="x">19.6<span class="hspace">&nbsp;</span><span class="RktSym"><span class="badlink"><span class="RktValLink">letrec</span></span></span>&#24615;&#33021;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="performance.html#%28part._fixnums%2Bflonums%29" class="toclink" data-pltdoc="x">19.7<span class="hspace">&nbsp;</span>Fixnum&#21644;Flonum&#20248;&#21270;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="performance.html#%28part._unchecked-unsafe%29" class="toclink" data-pltdoc="x">19.8<span class="hspace">&nbsp;</span>&#26410;&#26816;&#26597;&#30340;&#12289;&#19981;&#23433;&#20840;&#30340;&#25805;&#20316;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="performance.html#%28part._ffi-pointer-access%29" class="toclink" data-pltdoc="x">19.9<span class="hspace">&nbsp;</span>&#22806;&#26469;&#25351;&#38024;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="performance.html#%28part._regexp-perf%29" class="toclink" data-pltdoc="x">19.10<span class="hspace">&nbsp;</span>&#27491;&#21017;&#34920;&#36798;&#24335;&#24615;&#33021;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="performance.html#%28part._gc-perf%29" class="toclink" data-pltdoc="x">19.11<span class="hspace">&nbsp;</span>&#20869;&#23384;&#31649;&#29702;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="performance.html#%28part._.Reachability._and._.Garbage._.Collection%29" class="toclink" data-pltdoc="x">19.12<span class="hspace">&nbsp;</span>&#21487;&#36798;&#24615;&#19982;&#22403;&#22334;&#22238;&#25910;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="performance.html#%28part._.Weak_.Boxes_and_.Testing%29" class="toclink" data-pltdoc="x">19.13<span class="hspace">&nbsp;</span>&#24369;&#31665;&#23376;&#19982;&#27979;&#35797;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="performance.html#%28part._.Reducing_.Garbage_.Collection_.Pauses%29" class="toclink" data-pltdoc="x">19.14<span class="hspace">&nbsp;</span>&#20943;&#23569;&#22403;&#22334;&#22238;&#25910;&#20572;&#39039;</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="parallelism.html" class="toptoclink" data-pltdoc="x">20<span class="hspace">&nbsp;</span>&#24182;&#34892;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="parallelism.html#%28part._effective-futures%29" class="toclink" data-pltdoc="x">20.1<span class="hspace">&nbsp;</span>&#21069;&#26223;&#24182;&#34892;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="parallelism.html#%28part._effective-places%29" class="toclink" data-pltdoc="x">20.2<span class="hspace">&nbsp;</span>&#29616;&#22330;&#65288;place&#65289;&#24182;&#34892;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="parallelism.html#%28part._distributed-places%29" class="toclink" data-pltdoc="x">20.3<span class="hspace">&nbsp;</span>&#20998;&#24067;&#24335;&#29616;&#22330;</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="running.html" class="toptoclink" data-pltdoc="x">21<span class="hspace">&nbsp;</span>&#36816;&#34892;&#21644;&#21019;&#24314;&#21487;&#25191;&#34892;&#31243;&#24207;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="racket.html" class="toclink" data-pltdoc="x">21.1<span class="hspace">&nbsp;</span>&#36816;&#34892;<span class="stt">racket</span>&#21644;<span class="stt">gracket</span></a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="racket.html#%28part._start-interactive-mode%29" class="toclink" data-pltdoc="x">21.1.1<span class="hspace">&nbsp;</span>&#20132;&#20114;&#27169;&#24335;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="racket.html#%28part._start-module-mode%29" class="toclink" data-pltdoc="x">21.1.2<span class="hspace">&nbsp;</span>&#27169;&#22359;&#27169;&#24335;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="racket.html#%28part._start-load-mode%29" class="toclink" data-pltdoc="x">21.1.3<span class="hspace">&nbsp;</span>&#21152;&#36733;&#27169;&#24335;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="scripts.html" class="toclink" data-pltdoc="x">21.2<span class="hspace">&nbsp;</span>&#33050;&#26412;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="scripts.html#%28part._.Unix_.Scripts%29" class="toclink" data-pltdoc="x">21.2.1<span class="hspace">&nbsp;</span>Unix&#33050;&#26412;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="scripts.html#%28part._.Windows_.Batch_.Files%29" class="toclink" data-pltdoc="x">21.2.2<span class="hspace">&nbsp;</span>Windows&#25209;&#22788;&#29702;&#25991;&#20214;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="exe.html" class="toclink" data-pltdoc="x">21.3<span class="hspace">&nbsp;</span>&#21019;&#24314;&#29420;&#31435;&#30340;&#21487;&#25191;&#34892;&#25991;&#20214;</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="More_Libraries.html" class="toptoclink" data-pltdoc="x">22<span class="hspace">&nbsp;</span>&#26356;&#22810;&#30340;&#24211;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="More_Libraries.html#%28part._graphics%29" class="toclink" data-pltdoc="x">22.1<span class="hspace">&nbsp;</span>&#22270;&#24418;&#21644;&#22270;&#24418;&#29992;&#25143;&#30028;&#38754;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="More_Libraries.html#%28part._.The_.Web_.Server%29" class="toclink" data-pltdoc="x">22.2<span class="hspace">&nbsp;</span>Web&#26381;&#21153;&#22120;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="More_Libraries.html#%28part._.Using_.Foreign_.Libraries%29" class="toclink" data-pltdoc="x">22.3<span class="hspace">&nbsp;</span>&#20351;&#29992;&#22806;&#37096;&#24211;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="More_Libraries.html#%28part._.And_.More%29" class="toclink" data-pltdoc="x">22.4<span class="hspace">&nbsp;</span>&#20854;&#23427;&#26356;&#22810;&#30340;&#24211;</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="dialects.html" class="toptoclink" data-pltdoc="x">23<span class="hspace">&nbsp;</span>Racket&#21644;Scheme&#30340;&#26041;&#35328;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="more-hash-lang.html" class="toclink" data-pltdoc="x">23.1<span class="hspace">&nbsp;</span>&#26356;&#22810;&#30340;Racket</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="standards.html" class="toclink" data-pltdoc="x">23.2<span class="hspace">&nbsp;</span>&#26631;&#20934;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="standards.html#%28part._r5rs%29" class="toclink" data-pltdoc="x">23.2.1<span class="hspace">&nbsp;</span>R<span style="vertical-align: super; font-size: 80%">5</span>RS</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="standards.html#%28part._r6rs%29" class="toclink" data-pltdoc="x">23.2.2<span class="hspace">&nbsp;</span>R<span style="vertical-align: super; font-size: 80%">6</span>RS</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="teaching-langs.html" class="toclink" data-pltdoc="x">23.3<span class="hspace">&nbsp;</span>&#25945;&#23398;</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="other-editors.html" class="toptoclink" data-pltdoc="x">24<span class="hspace">&nbsp;</span>&#21629;&#20196;&#34892;&#24037;&#20855;&#21644;&#20320;&#30340;&#32534;&#36753;&#22120;&#36873;&#25321;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="cmdline-tools.html" class="toclink" data-pltdoc="x">24.1<span class="hspace">&nbsp;</span>&#21629;&#20196;&#34892;&#24037;&#20855;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="cmdline-tools.html#%28part._compile%29" class="toclink" data-pltdoc="x">24.1.1<span class="hspace">&nbsp;</span>&#21516;&#26102;&#32534;&#35793;&#21644;&#37197;&#32622;&#65306;<span class="stt">raco</span></a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="cmdline-tools.html#%28part._~e4~ba~92~e5~8a~a8~e6~b1~82~e5~80~bc%29" class="toclink" data-pltdoc="x">24.1.2<span class="hspace">&nbsp;</span>&#20114;&#21160;&#27714;&#20540;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="cmdline-tools.html#%28part._.Shell~e8~a1~a5~e5~85~a8%29" class="toclink" data-pltdoc="x">24.1.3<span class="hspace">&nbsp;</span>Shell&#34917;&#20840;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Emacs.html" class="toclink" data-pltdoc="x">24.2<span class="hspace">&nbsp;</span>Emacs</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Emacs.html#%28part._~e4~b8~bb~e8~a6~81~e6~a8~a1~e5~bc~8f%29" class="toclink" data-pltdoc="x">24.2.1<span class="hspace">&nbsp;</span>&#20027;&#35201;&#27169;&#24335;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Emacs.html#%28part._~e5~b0~8f~e6~a8~a1~e5~bc~8f%29" class="toclink" data-pltdoc="x">24.2.2<span class="hspace">&nbsp;</span>&#23567;&#27169;&#24335;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Emacs.html#%28part._.Evil~e6~a8~a1~e5~bc~8f~e7~9a~84~e4~b8~93~e6~9c~89~e5~8c~85%29" class="toclink" data-pltdoc="x">24.2.3<span class="hspace">&nbsp;</span>Evil&#27169;&#24335;&#30340;&#19987;&#26377;&#21253;</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Vim.html" class="toclink" data-pltdoc="x">24.3<span class="hspace">&nbsp;</span>Vim</a></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="Sublime_Text.html" class="toclink" data-pltdoc="x">24.4<span class="hspace">&nbsp;</span>Sublime Text</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;</span><a href="doc-bibliography.html" class="toptoclink" 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